High intensity neutrino oscillation facilities in Europe

Edgecock, R.; Caretta, O.; Davenne, T.; Densam, C.; Fitton, M.; Kelliher, David; Loveridge, P.; Machida, S.; Prior, Christopher; Rogers, C.; Rooney, M.; Thomason, J. W. G.; Wilcox, D.; Wildner, E.; Efthymiopoulos, I.; Garoby, R.; Gilardoni, S.; Hansen, C. J.; Benedetto, Elena; Jensen, Erk; Kosmicki, A.; Martini, M.; Osborne, James; Prior, G.; Stora, T.; Mendonça, Tânia; Vlachoudis, V.; Waaijer, C.; Cupiał, Piotr; Chancé, Antoine; Longhin, A.; Payet, J.; Zito, M.; Baussan, E.; Bobeth, Christoph; Bouquerel, E.; Dracos, M.; Gaudiot, G.; Lepers, Baptiste; Osswald, Francis; Poussot, Pascal; Vassilopoulos, N.; Wurtz, Jacques; Zeter, V.; Bielski, J; Kozień, Marek S.; Łacny, Łukasz; Skoczen, B.; Szybiński, Bogdan; Ustrycka, A.; Wróblewski, A.; Marie-Jeanne, M.; Balint, P.; Fourel, C.; Giraud, J.; Jacob, J.; Lamy, T.; Latrasse, L.; Sortais, P.; Thuillier, T.; Митрофанов, С. В.; Loiselet, M.; Keutgen, T.; Delbar, Th.; Debray, F.; Trophine, C.; Veys, S.; Daversin, Cécile; Zorin, V. G.; Izotov, I. V.; Skalyga, V. A.; Burt, Graeme; Dexter, A.; Kravchuk, V. L.; Marchi, T.; Cinausero, M.; Gramegna, F.; Angelis, G. de; Prete, G.; Collazuol, G.; Laveder, M.; Mazzocco, M.; Mezzetto, M.; Signorini, C.; Vardaci, E.; Nitto, A. Di; Brondi, A.; Rana, G. La; Migliozzi, P.; Moro, R.; Palladino, V.; Gelli, N.; Berkovits, D.; Hass, M.; Hirsh, T.; Schaumann, Michaela; Stahl, A.; Wehner, Jakob; Bross, A.; Kopp, Joachim; Neuffer, D.; Wands, R.; Bayes, R.; Laing, A.; Soler, F. J. P.; Agarwalla, Sanjib Kumar; Villanueva, A. Cervera; Donini, A.; Ghosh, T.; Gómez-Cadenas, J. J.; Hernández, P.; Martín-Albo, J.; Mena, Olga; Burguet–Castell, J.; Agostino, L.; Avanzini, M. Buizza; Marafini, M.; Patzak, T.; Tonazzo, A.; Duchesneau, D.; Mosca, L.; Bogomilov, M.; Karadzhov, Y.; Matev, R.; Tsenov, R.; Akhmedov, Evgeny Kh.; Blennow, Mattias; Lindner, M.; Schwetz, Thomas; Fernández‐Martínez, E.; Maltoni, Michele; Menéndez, J. Fernández; Giunti, C.; Gonzalez-Garcia, M. C.; Salvadó, Jordi; Coloma, Pilar; Huber, Patrick; Li, T.; López‐Pavón, Jacobo; Orme, Christopher; Pascoli, Silvia; Meloni, Davide; Tang, J.; Winter, Walter; Ohlsson, Tommy; Zhang, He; Scotto-Lavina, L.; Terranova, F.; Bonesini, M.; Tortora, L.; Alekou, A.; Aslaninejad, M.; Bontoiu, C.; Kurup, A.; Jenner, L.; Long, K.; Pasternak, J.; Pozimski, J.; Back, J. J.; Harrison, P. F.; Beard, K.; Bogacz, Alex; Berg, Scott; Stratakis, Diktys; Witte, Holger; Snopok, P.; Bliss, N.; Cordwell, M.; Moss, A.; Pattalwar, Shrikant; Apollonio, M.

doi:10.1103/physrevstab.16.021002

Cited by 32 publications

(27 citation statements)

References 11 publications

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“…However, it has many technical problems [14] to be solved before it is materialized. Other possible accelerator-based neutrino beam facilities in Japan and Europe, namely, T2HK [15] and ESSnuSB [16][17], using neutrinos from pion decays instead of muon decays at neutrino factory, suffer from background issues and possibly, insufficient beam power.…”

Section: Physics Goalsmentioning

confidence: 99%

Muon-decay medium-baseline neutrino beam facility

Cao

Hou

et al. 2014

Phys. Rev. ST Accel. Beams

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Neutrino beam with about 300 MeV in energy, high-flux and medium baseline is considered a rational choice for measuring CP violation before the more powerful Neutrino Factory to be built. Following this concept, a unique neutrino beam facility based on muon-decayed neutrinos is proposed. The facility adopts a continuous-wave proton linac of 1.5 GeV and 10 mA as the proton driver, which can deliver an extremely high beam power of 15 MW. Instead of pion-decayed neutrinos, unprecedentedly intense muon-decayed neutrinos are used for better background discrimination. The schematic design for the facility is presented here, including the proton driver, the assembly of a mercury-jet target and capture superconducting solenoids, a pion/muon beam transport line, a long muon decay channel of about 600 m and the detector concept. The physics prospects and the technical challenges are also discussed.

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Section: Physics Goalsmentioning

confidence: 99%

Muon-decay medium-baseline neutrino beam facility

Cao

Hou

et al. 2014

Phys. Rev. ST Accel. Beams

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“…In an incremental approach, we propose LBNO with a 20 kton underground detector as the first stage of a new neutrino observatory able to address long-baseline neutrino physics as well as neutrino astrophysics. The programme has a clear long-term vision for future stages of the experiment, including the Neutrino Factory [37], for which the baseline of 2300 km is well adapted.…”

Section: Discussionmentioning

confidence: 99%

The mass-hierarchy and CP-violation discovery reach of the LBNO long-baseline neutrino experiment

Agarwalla¹,

Agostino²,

Aittola³

et al. 2014

J. High Energ. Phys.

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Abstract:The next generation neutrino observatory proposed by the LBNO collaboration will address fundamental questions in particle and astroparticle physics. The experiment consists of a far detector, in its first stage a 20 kt LAr double phase TPC and a magnetised iron calorimeter, situated at 2300 km from CERN and a near detector based on a highpressure argon gas TPC. The long baseline provides a unique opportunity to study neutrino flavour oscillations over their 1st and 2nd oscillation maxima exploring the L/E behaviour, and distinguishing effects arising from δ CP and matter.In this paper we have reevaluated the physics potential of this setup for determining the mass hierarchy (MH) and discovering CP-violation (CPV), using a conventional neutrino beam from the CERN SPS with a power of 750 kW. We use conservative assumptions on the knowledge of oscillation parameter priors and systematic uncertainties. The impact of each systematic error and the precision of oscillation prior is shown. We demonstrate that the first stage of LBNO can determine unambiguously the MH to > 5σ C.L. over the whole phase space. We show that the statistical treatment of the experiment is of very high importance, resulting in the conclusion that LBNO has ∼ 100% probability to determine the MH in at most 4-5 years of running. Since the knowledge of MH is indispensable to extract δ CP from the data, the first LBNO phase can convincingly give evidence for CPV on the 3σ C.L. using today's knowledge on oscillation parameters and realistic assumptions on the systematic uncertainties.

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“…Table 1 shows an overview of the parameters of the facility. The ESSnuSB Design Study is taking advantage of many of the results obtained in the FP7 Design Study EUROnu [10] on future neutrino facilities. The results from the now terminated EUROnu project of the study of the 4.5 GeV/5 MW neutrino Super Beam from the CERN Superconducting Proton Linac SPL [11,12] and of the MEMPHYS large water Cherenkov detector in the Fréjus tunnel have served as very useful references in the ESSnuSB Design Study [13,14].…”

Section: Overviewmentioning

confidence: 99%

“…The target station design and the short pion-decay tunnel have already been studied for the Super Beam within the EUROnu [10] project with further optimizations for the ESSnuSB project [38]. In order to mitigate the detrimental effects of the high power beam, four targets and horns are needed; each target will be hit by a 1.25 MW proton beam.…”

Section: The Target Stationmentioning

confidence: 99%

The Opportunity Offered by the ESSnuSB Project to Exploit the Larger Leptonic CP Violation Signal at the Second Oscillation Maximum and the Requirements of This Project on the ESS Accelerator Complex

Wildner

Baussan

Blennow

et al. 2016

Advances in High Energy Physics

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The European Spallation Source (ESS), currently under construction in Lund, Sweden, is a research center that will provide, by 2023, the world's most powerful neutron source. The average power of the proton linac will be 5 MW. Pulsing this linac at higher frequency will make it possible to raise the average total beam power to 10 MW to produce, in parallel with the spallation neutron production, a very intense neutrino Super Beam of about 0.4 GeV mean neutrino energy. This will allow searching for leptonic CP violation at the second oscillation maximum where the sensitivity is about 3 times higher than at the first. The ESS neutrino Super Beam, ESSnuSB operated with a 2.0 GeV linac proton beam, together with a large underground Water Cherenkov detector located at 540 km from Lund, will make it possible to discover leptonic CP violation at 5 significance level in 56% (65% for an upgrade to 2.5 GeV beam energy) of the leptonic CP-violating phase range after 10 years of data taking, assuming a 5% systematic error in the neutrino flux and 10% in the neutrino cross section. The paper presents the outstanding physics reach possible for CP violation with ESSnuSB obtainable under these assumptions for the systematic errors. It also describes the upgrade of the ESS accelerator complex required for ESSnuSB.

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High intensity neutrino oscillation facilities in Europe

Cited by 32 publications

References 11 publications

Muon-decay medium-baseline neutrino beam facility

Muon-decay medium-baseline neutrino beam facility

The mass-hierarchy and CP-violation discovery reach of the LBNO long-baseline neutrino experiment

The Opportunity Offered by the ESSnuSB Project to Exploit the Larger Leptonic CP Violation Signal at the Second Oscillation Maximum and the Requirements of This Project on the ESS Accelerator Complex

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